Jobs & Education3 mins ago
Tv Wont Power Up Capacitors?
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My tv wont power up .It seems that capacitors can be the cause - but they can be tricky to diagnose .Can anyone tell if they are faulty from this pic ?https://i.postimg.cc/85Bjztyv/capicitors.jpg
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Suggest getting a team team to look at it. If you don't know why you suspect the capacitors little chance of fixing if successfully.
Suggest getting a team team to look at it. If you don't know why you suspect the capacitors little chance of fixing if successfully.
The caps in a modern TV power supply are notorious for failure. Back in the day they were as big as a tin of beans and are now miniature. The only external sign is a slight bubble on the tops (they should be dead flat) The two on the right look suspect to me the 100uF ones. But for the sake of a few pence and a few minutes I would change them all after taking the pc board out. If that is a Panasonic TV the caps are nailed on as likely after about 7 years.
Suspect then. If you have a good soldering iron( not a bleedin great big one) a proper electronic engineers one. Sweat them out carefully and replace them. BE SURE TO REPLACE THEM WITH THE EXACT RATING of the ones that you are exchanging with the same rating in both voltage and rating. Micro farads uF of flor farads pF. The 4 X 1000 uF caps are the likely candidates but I cannot see the voltage rating from the picture. Probably 250v. You will also need a roll of solder to put them back in. Dead easy but not something to go at like a bull at a gate. 22 years electronics engineer Tali1. Great days.
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